The boy pings a knife against a glass.

小男孩用刀碰着玻璃杯发出丁当声。

youdao

Combine all the marinade ingredients in a ceramic or glass dish bowl. Pat duck breast dry. Score the duck skin in a crosshatch pattern with a sharp knife (take care not to cut into the flesh).

将腌汁材料放入瓷碗或玻璃容器里拌匀。抹干鸭胸的水份，用刀尖在皮面上划出十字格状。不要切断脂肪层而深入到鸭肉部分了。

youdao

Using a razor knife, slide the blade between the windshield glass and the inboard edge of the reveal molding.

使用剃须刀，在挡风玻璃与侧嵌条的内板边缘之间滑动刀口。

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It's a knife on a glass bottle.

BBC: Quiz of the week's news

Yes, the jack knife has a fork, a saw and a magnifying glass.

FORBES: What Happened to the Office?

There are already items on board planes that can be used to harm someone, "whether it's in first class (with) a metal knife or fork, or whether it's a wine glass or a wine bottle that they break and use, " Pistole said.

NPR: TSA Stands By Plan To Allow Small Knives On Planes